A:
Positive:
1 x 604908717 x 864155359 x 1025269149 x 405979413 x 146467983 x 615371043 x 579976881 x 8791
Negative:
-1 x -60490871-7 x -8641553-59 x -1025269-149 x -405979-413 x -146467-983 x -61537-1043 x -57997-6881 x -8791
Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 60,490,871, it is easier to work with a table - it's called factoring from the outside in.
We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.
| 1 | 60,490,871 | |
| -1 | -60,490,871 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 60,490,871.
Example:
1 x 60,490,871 = 60,490,871
and
-1 x -60,490,871 = 60,490,871
Notice both answers equal 60,490,871
With that explanation out of the way, let's continue. Next, we take the number 60,490,871 and divide it by 2:
60,490,871 ÷ 2 = 30,245,435.5
If the quotient is a whole number, then 2 and 30,245,435.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 60,490,871 | |
| -1 | -60,490,871 |
Now, we try dividing 60,490,871 by 3:
60,490,871 ÷ 3 = 20,163,623.6667
If the quotient is a whole number, then 3 and 20,163,623.6667 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 60,490,871 | |
| -1 | -60,490,871 |
Let's try dividing by 4:
60,490,871 ÷ 4 = 15,122,717.75
If the quotient is a whole number, then 4 and 15,122,717.75 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 60,490,871 | |
| -1 | 60,490,871 |
If you did it right, you will end up with this table:
| 1 | 7 | 59 | 149 | 413 | 983 | 1,043 | 6,881 | 8,791 | 57,997 | 61,537 | 146,467 | 405,979 | 1,025,269 | 8,641,553 | 60,490,871 |
| -1 | -7 | -59 | -149 | -413 | -983 | -1,043 | -6,881 | -8,791 | -57,997 | -61,537 | -146,467 | -405,979 | -1,025,269 | -8,641,553 | -60,490,871 |
Here are some more numbers to try:
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